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- Title
Versatile Three‐Dimensional Porous Cu@Cu<sub>2</sub>O Aerogel Networks as Electrocatalysts and Mimicking Peroxidases.
- Authors
Ling, Pinghua; Zhang, Qiang; Cao, Tingting; Gao, Feng
- Abstract
Abstract: A facile strategy is presented to form 3D porous Cu@Cu2O aerogel networks by self‐assembling Cu@Cu2O nanoparticles with the diameters of ca. 40 nm for constructing catalytic interfaces. Unexpectedly, the prepared Cu@Cu2O aerogel networks display excellent electrocatalytic activity to glucose oxidation at a low onset potential of ca. 0.25 V. Moreover, the Cu@Cu2O aerogels also can act as mimicking‐enzymes including horseradish peroxidase and NADH peroxidase, and show obvious enzymatic catalytic activities to the oxidation of dopamine (DA), o‐phenyldiamine (OPD), 3,3,5,5‐tetramethylbenzidine (TMB), and dihydronicotinamide adenine dinucleotide (NADH) in the presence of H2O2. These 3D Cu@Cu2O aerogel networks are a new class of porous catalytic materials as mimic peroxidases and electrocatalysts and offer a novel platform to construct catalytic interfaces for promising applications in electrochemical sensors and artificial enzymatic catalytic systems.
- Subjects
AEROGELS; ELECTROCATALYSTS; PEROXIDASE; OXIDATION; ELECTROCHEMICAL sensors
- Publication
Angewandte Chemie, 2018, Vol 130, Issue 23, p6935
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201801369